<template>
  <div id="liveLine">
    <div ref="chart01" class="chart01"></div>
  </div>
</template>

<script>
export default {
  name: "liveLine",
  components: {},
  props: {
    xData: Array | Object,
    series1: Array | Object,
    series2: Array | Object,
    name1: String,
    name2: String,
    title: String,
  },
  data() {
    return {};
  },
  computed: {},
  watch: {
    xData: {
      handler(n, o) {
        this.drawLiveLine();
      },
      deep: true,
    },
  },

  created() {},
  mounted() {
    this.drawLiveLine();
  },

  methods: {
    drawLiveLine() {
      let that = this;
      let mychart = that.$echarts.init(that.$refs.chart01);
      let option = {
        tooltip: {
          trigger: "axis",
          axisPointer: {
            // 坐标轴指示器，坐标轴触发有效
            type: "line", // 默认为直线，可选为：'line' | 'shadow'
            lineStyle: {
              color: "#e5e5e5",
            },
          },
          extraCssText: 'z-index: 9', //设置消息提示框的层级
          formatter: function (params) {
            let result01 = "";
            params.forEach(function (item) {
              result01 +=
                item.marker +
                " " +
                item.seriesName +
                " : " +
                that.format_num(item.value) +
                "</br>";
            });
            return params[0].name + "</br>" + result01;
          },
        },
        legend: {
          //   data: [
          //     "商品总数",
          //     "动销商品数",
          //     "直播销量",
          //     "直播销售额",
          //   ],
          icon: "rect ",
          top: 28,
          itemWidth: 20,
          itemHeight: 3,
          itemGap: 30,
          textStyle: {
            color: "#555",
          },
        },
        grid: {
          left: "50",
          right: "50",
          bottom: "50",
          containLabel: false,
        },
        // dataZoom: [  //显示下面区域选择
        //   {
        //     type: "slider",
        //     realtime: true,
        //     start: 0,
        //     end: 7,
        //     xAxisIndex: [0],
        //   },
        // ],
        xAxis: [
          {
            type: "category",
            data: this.xData,
            boundaryGap: false, //X轴起始位置靠着Y轴
            //设置网格线颜色
            splitLine: {
              show: false,
              lineStyle: {
                color: ["#e5e5e5"],
                width: 1,
                type: "dashed",
              },
            },
            // x轴样式
            axisLine: {
              lineStyle: {
                type: "solid",
                color: "#e5e5e5", //左边线的颜色
                width: "1", //坐标线的宽度
              },
            },
            axisTick: {
              show: false,
            },
            // x轴字体样式
            axisLabel: {
              // interval: 0,
              // rotate: 40,
              margin: 14,
              show: true,
              textStyle: {
                color: "#888",
                // fontFamily: "DINAlternate-Bold",
                fontSize: 12,
              },
            },
          },
        ],
        yAxis: [
          {
            type: "value",
            name: this.title?this.title:this.name1,
            //设置网格线颜色
            nameTextStyle: {
              color: "#888",
              padding: [0, 0, 0, 20],
            },
            splitLine: {
              show: true,
              lineStyle: {
                color: ["#e5e5e5"],
                width: 1,
                type: "dashed",
              },
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              show: true,
              textStyle: {
                color: "#888",
                // fontFamily: "DINAlternate-Bold",
                fontSize: 12,
              },
              formatter: function (value) {
                return that.format_num(value);
              },
            },
            axisLine: {
              lineStyle: {
                type: "solid",
                color: "#e5e5e5", //左边线的颜色
                width: "1", //坐标线的宽度
              },
            },
          },
          {
            type: "value",
            name: this.name2,
            //设置网格线颜色
            nameTextStyle: {
              color: "#888",
              padding: [0, 0, 0, -20],
            },
            splitLine: {
              show: true,
              lineStyle: {
                color: ["#e5e5e5"],
                width: 1,
                type: "dashed",
              },
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              show: true,
              textStyle: {
                color: "#888",
                // fontFamily: "DINAlternate-Bold",
                fontSize: 12,
              },
              formatter: function (value) {
                return that.format_num(value);
              },
            },
            axisLine: {
              lineStyle: {
                type: "solid",
                color: "#e5e5e5", //左边线的颜色
                width: "1", //坐标线的宽度
              },
            },
          },
        ],
        series: [
          {
            name: this.name1,
            type: "line",
            smooth: true, //true 为平滑曲线，false为直线
            symbol: "none", //去掉折线上的小圆点
            data: this.series1,
            yAxisIndex: 0,
            itemStyle: {
              normal: {
                areaStyle: {
                  type: "default",
                  //渐变色实现===
                  color: new this.$echarts.graphic.LinearGradient(
                    0,
                    0,
                    0,
                    1,
                    //三种由深及浅的颜色
                    [ {
                        offset: 0,
                        color: "#FED1B4",
                      },
                      {
                        offset: 1,
                        color: "#FAFAFB",
                      },
                    ]
                  ),
                },
                // color: "#2781FF",
                //柱子颜色
                 color: "#fd7f2c",
              },
            },
          },
          {
            name: this.name2,
            type: "line",
            smooth: true, //true 为平滑曲线，false为直线
            symbol: "none", //去掉折线上的小圆点
            yAxisIndex: 1,
            data: this.series2,
            itemStyle: {
              normal: {
                areaStyle: {
                  type: "default",
                  //渐变色实现===
                  color: new this.$echarts.graphic.LinearGradient(
                    0,
                    0,
                    0,
                    1,
                    //三种由深及浅的颜色
                    [
                      {
                        offset: 0,
                        color: "#ACCFFF",
                      },
                      {
                        offset: 1,
                        color: "#FAFAFB",
                      },
                    ]
                  ),
                },
                // color: "#fd7f2c",
                //柱子颜色
                color: "#2781FF",
              },
            },
          },
        ],
      };
      mychart.setOption(option);
      //   窗口自适应
      setTimeout(() => {
        window.addEventListener("resize", function () {
          mychart.resize();
        });
      }, 200);
    },
  },
};
</script>
<style lang='less' scoped>
#liveLine {
  width: 100%;
  height: 100%;
  // margin-top: 36px;
  .chart01 {
    width: 100%;
    height: 100%;
    overflow: hidden;
    clear: both;
  }
}
</style>